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Claude Haiku 4.5

Claude Haiku 4.5 matches Claude Sonnet 4's performance on coding, computer use, and agent tasks at substantially lower cost and faster speeds, making it a high-capability model in the Haiku line for high-throughput agentic deployments.

File InputReasoningTool UseVision (Image)Explicit Caching
index.ts
import { streamText } from 'ai'


const result = streamText({
  model: 'anthropic/claude-haiku-4.5',
  prompt: 'Why is the sky blue?'
})
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Frequently Asked Questions

  • What does it mean that Claude Haiku 4.5 matches Sonnet 4 performance on coding and agent tasks?

    Claude Haiku 4.5 delivers equivalent performance to Sonnet 4 on coding, computer use, and agent tasks at lower cost and faster speeds. Run your own benchmarks against your specific workloads to validate this for your use case.

  • How do I use Claude Haiku 4.5 in the AI SDK?

    Set the model to anthropic/claude-haiku-4.5 in your AI SDK v5 integration. No other code changes are required for the common case.

  • Which providers back Claude Haiku 4.5 on AI Gateway?

    AI Gateway routes Claude Haiku 4.5 through anthropic, bedrock, vertexAnthropic, with automatic failover.

  • Does Claude Haiku 4.5 support computer use?

    Yes. Claude Haiku 4.5 matches Sonnet 4's performance on computer use tasks.

  • What latency should I expect for Claude Haiku 4.5 through AI Gateway?

    See live performance metrics on this page for current throughput. AI Gateway surfaces real traffic data rather than published benchmark numbers.

  • Can I use Claude Haiku 4.5 as a drop-in replacement for Sonnet 4 in my agent pipeline?

    For coding, computer use, and agent tasks where benchmarks align, Claude Haiku 4.5 may function as a drop-in with cost savings. Test against your specific workflows. General benchmark parity doesn't guarantee equivalent performance on every task profile.

  • What observability does AI Gateway provide for Claude Haiku 4.5 usage?

    AI Gateway tracks usage and cost per request, enabling cost attribution across pipeline stages and budget management without additional instrumentation.